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<?php |
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declare(strict_types=1); |
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namespace AlexMasterov\PsyshBundle\DependencyInjection\Compiler; |
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use Symfony\Component\DependencyInjection\{ |
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Compiler\CompilerPassInterface, |
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ContainerBuilder, |
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Reference |
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}; |
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class SetVariablePass implements CompilerPassInterface |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function process(ContainerBuilder $container) |
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{ |
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if (false === $container->has('psysh.shell')) { |
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return; |
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} |
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$services = $container->findTaggedServiceIds('psysh.variable', true); |
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if (empty($services)) { |
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return; |
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} |
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$this->registerScopeVariables($services, $container); |
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} |
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private function registerScopeVariables(array $services, ContainerBuilder $container): void |
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{ |
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$definition = $container->getDefinition('psysh.shell'); |
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if ($definition->hasMethodCall('setScopeVariables')) { |
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$calls = $this->mergeScopeVariables( |
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$definition->getMethodCalls(), |
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$this->scopeVariables($services) |
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); |
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$definition->setMethodCalls($calls); |
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} else { |
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$definition->addMethodCall('setScopeVariables', [$this->scopeVariables($services)]); |
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} |
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} |
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private function mergeScopeVariables(array $calls, array $variables): array |
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{ |
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foreach ($calls as $i => [$method, $args]) { |
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if ('setScopeVariables' === $method) { |
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foreach ($args as $arg) { |
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$variables += $arg; |
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} |
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unset($calls[$i]); |
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} |
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} |
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return $calls + [ |
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1 |
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['setScopeVariables', [$variables]], |
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]; |
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} |
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private function scopeVariables(array $services): array |
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{ |
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// NameSpace\SomeName -> nameSpaceSomename |
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$classify = static function (string $spec): string { |
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return \str_replace('\\', '', \lcfirst(\ucwords(\strtolower($spec), '\\'))); |
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}; |
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$scopeVariables = []; |
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foreach ($services as $id => $attributes) { |
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$variable = $attributes[0]['name'] |
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?? (\class_exists($id) ? $classify($id) : $id); |
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$scopeVariables[$variable] = new Reference($id); |
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} |
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return $scopeVariables; |
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} |
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} |
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AlexMasterov /
psysh-bundle
Loading history...
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.